修复车 详情bug

src/components/car/orderPreview.vue

@@ -148,8 +148,8 @@ export default {
         this.p = n;
         if(n&&n.startDate){
           this.chosenObj.startDate = n.startDate;
-          let arr = this.dataAll.filter(x=> x.Date==this.chosenObj.startDate)
-          if(arr.length>0){
+          let arr = this.dataAll&&this.dataAll.filter(x=> x.Date==this.chosenObj.startDate)
+          if(arr&&arr.length>0){
             this.TicketIds = arr[0].Price.map(x=> {return x.TicketId})
           }
         }
@@ -178,6 +178,7 @@ export default {
   },
   data() {
     return {
+      dataAll: null,
       p: {},
       chosenObj: null,
       sumPrice:0,